Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 580
he centre of themovement of the shoe. In the top of thestud (on which the shoe is fixed) a punchmark can usually be seen, which indicatesthe axial centre. The distance of this centremarked from the hollow of the frame givesthe exact distance of thecentre of the pivot fromthe hollow of the jamb.Care… … Fig. 1756.—Pivot let into Head of FrameFig. 1757.—Pivot Plate let into Door.Fig. 1754.—Plan of Spring Hinge, showing Shoe Fig. 1758.—Head of Door Recessed to Receive Pivot Plate. in Three Positions to Clear Jamb. the brass plate is dropped in position andfastened to the iron flange with screws,…
Carpentry · Joinery
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